From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Mon, 10 Jun 2013 17:15:55 +0000 (-0700)
Subject: staging: comedi: pcl724: tidy up subdev_8255_init() calls
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~76^2~176
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=84f7db9d8f9ee9bcee16143aab93b68b43e7e5cc;p=pandora-kernel.git

staging: comedi: pcl724: tidy up subdev_8255_init() calls

subdev_8255_init() can fail, make sure to check for it and return
the errno.

The private function subdev_8255_cb() is identical to the default
io callback used by the 8255 driver. Remove it and pass NULL to
subdev_8255_init() so the default callback will be used.

The private function subdev_8255mapped_cb() is used for the memory
memory mapped io of the pet48dio board. Rename this function so
it has namespace associated with the driver.

Casting the iobase passed to subdev_8255_init() is not needed.
Use a local variable for the iobase and remove the casts.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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